Table 28.3 presents, for the weighted average of the eight capital cities, index numbers for each of the eleven major commodity groups of the 14th Series CPI and for All groups, together with percentage changes.

(a) Groups based on 14th Series CPI structure. (b) Reference base year 1989-90 = 100.0. (c) Index numbers for financial years are calculated as the simple arithmetic averages of the quarterly index numbers.(d) The 2000-01 data were affected by the introduction of The New Tax System, in particular, the introduction of the Goods and Services Tax (GST) from 1 July 2000.